[FFmpeg-user] How can I pipe frames from FFmpeg to jpegtran?

[Carl Eugen Hoyos]

2016-08-22 8:22 GMT+02:00 ogrgkyle <phthluar at gmail.com>:
> ffmpeg.exe -i myvideo.avi -c:v mjpeg | jpegtran.exe -copy none -optimize
> -progressive -outfile output.jpg input.jpg

I don't know about jpegtran but the ffmpeg command line
has to look like the following (FFmpeg would accept the
output as input):
$ ffmpeg -i input -vcodec mjpeg -f rawivdeo - | ...

Carl Eugen